Procedure to Root Samsung Galaxy Core 2 SM-G355H:
Step 1: Download the Rooting package from the link and without extracting place it on your phones SD card
Remember not to place it in deep directories.
Step 2: Now you need to boot your Galaxy Core 2 into stock recovery mode. For that firstly power off your phone completely til it vibrates.
Step 3: For Galaxy Core 2, recovery mode can be entered by pressing and holding Volume up+ Home button (Middle button) + Power button simultaneously until the recovery mode appears.
Note: As you enter the recovery mode you’ll notice that touch won’t wok here. So for navigating you need to use Volume Up and Volume Down keys and Home button (Middle button) for selection.
Step 4: Now navigate to the ‘ Update from SD card’ option using Volume keys and select it using the Home button (Middle button).
Step 5: As you click on it, you’ll see all the files and folders located on your external SD card including the Rooting Package file which you have copied earlier.
Step 6: Now again using the volume keys, navigate to the Rooting Package (Update.zip) file and select it using Home button. On the next screen select Yes option to start the Rooting process. Be patient until it completes
successfully.
Step 7: After successful rooting, you’ll again return to the main menu of Recovery mode.
Just restart your Galaxy Core 2 by selecting ‘ Reboot system now’ option.
That’s all! You’ve successfully rooted your Samsung Galaxy Core 2 SM-G355H smartphone.
An app named Superuser installed on your phone will confirm that your device is properly rooted.
This Superuser app supervises each and every app that requires a root access.
You can use this Root Checker app to confirm the same.